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質問
How to get linearly independent subset of matrix columns in a high-dimensional matrix
Dear all: I have a few sets of fixed effects in my linear model, which has a collinearity problem since the rank does not match...
5年以上 前 | 1 件の回答 | 0
1
回答質問
sparse matrix with data type as 'single'
Dear all: I have a very large sparse matrix that I hope to reduce the size further more. I noticed that in full matrix, one cou...
5年以上 前 | 2 件の回答 | 1
2
回答質問
identify peers within a firm - sparse matrix only
Dear all: This is a follow-up post from my previous one, which has been solved by @Image Analyst. Now I have encountered a new ...
5年以上 前 | 0 件の回答 | 0
0
回答質問
Get the diagonal without calculating the explicit matrix
Dear all: I am trying to calculate a diagonal of a matrix (denoted A), which is formed by multiplying two large-dimensional mat...
6年弱 前 | 2 件の回答 | 0
2
回答質問
Identify the peers within a firm
Dear all: I am working on a panel dataset, which contains worker ID, firm ID, and year. Each worker works for one firm only in ...
6年弱 前 | 1 件の回答 | 0
